YOU WANT THE RIGHT PARTNER BY YOUR SIDE
Choosing the right team to help you design and implement your integrated power systems is critical to the success of your project. Hawthorne Power Systems offers a complete product line of switchgears, remote monitoring, automatic transfer switches, generator sets and uninterruptible power supply for your customized integrated power system. As a single supplier for your entire integrated system, you will have one expert engineering and service team to maintain your power solution so you can focus on what’s really important – operating your core business. Hawthorne Power Systems offers comprehensive service support agreements that include routine testing and maintenance, operator training, and emergency response services to ensure your power system is properly maintained and fully operational.

Engineering Solutions
From feasibility studies to conceptual design to turnkey installations, Hawthorne Power Systems offers a range of mechanical and electrical engineering services to assist you with your power system project design and implementation needs. Trust the team with over 65 years of experience under their belt.
Project Expertise
- Alternative fuels processing
- Co-generation and heat recovery
- Commercial facilities process and HVAC
- CNG and LNG fueling station
- Electrical power generation
- Environmental design
- Industrial process and controls
- Landfill gas generation
- Medium voltage power distribution
- Packaging
- Power station engineering
- Substations and transmission
- Utility interconnection and protection
Services
- Conceptual design and estimating
- Construction observation and services
- Detailed engineering plans and specifications
- Equipment procurement
- Feasibility studies
- Permitting assistance
- Project management
- Start-up and training
- Turn key/fast track program

CHOOSE HAWTHORNE CAT TODAY
When thinking about your operation, odds are, you'd be hard pressed to find a task you do that doesn't require some form of power solution, whether you are on a remote construction site or you need your tools charged. We rely on power solutions for almost all of our needs to do work that improves the lives of so many.
When looking for the best integrated power solution for your application, Hawthorne Cat has got your needs covered. Our team has over 65 years of experience in crafting the best integrated power solution for your application. We use the latest technology to give you the flexibility to customize your power systems. We use in-depth airflow analysis tools for an optimized design. Our value engineering focus ensures your power systems will be durable and long-lasting. Contact one of our Caterpillar dealers in Hawaii, San Diego, Saipan, Guam, or American Samoa to get started today.
Switchgear Controls
Switchgear and Paralleling Controls
Caterpillar offers switchgear suitable for applications ranging from single standby/load management to multi-unit utility paralleling installations.
Configuration
Application-specific switchgear with control logic designed to meet any customer's sequence of operations. Examples are 3+ Utilities, CHP applications, complex load shed schemes, etcModes of Operation
All modes of paralleling generator sets to each other and to other sources (utility, alternative fuels, wind, etc) can be supported. Caterpillar generation and control experts can design and program the most complex power schemes to meet your critical power needsApplication
LV and MV ( 208V - 38 kV) 50 / 60 HzConfiguration
Configurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie and load breakers in conjunction with downstream transfer switches for standby or emergency applicationsModes of Operation
Multi-unit Island and multi-unit standby mode with optional redundant controls and components.Application
LV and MV (208V - 38 kV)Configuration
IP4XModes of Operation
Switchgear integration options for multi generator and utility synchronising, load sharing, Peak Lopping/Shaving, AMF, Changeover, Load bank connection, Protection relay etc.Application
LV 380…480 VAC, 50 Hz, 3-Phase.Configuration
Configurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie, utility and load breakers for utility paralleling applicationsModes of Operation
Emergency Standby, Utility Import/Export, Peak shaving, and base load operations with redundant controls and components. Closed transition to/from generator powerApplication
LV and MV ( 208V - 38 kVConfiguration
Remote monitoring and control for up to 8 generator sets via high-speed network. Enables paralleling a group of EMCP 4.4 equipped generator sets to a single utility source.Modes of Operation
Emergency standby, island, utility parallelingApplication
LV and MV (208V - 38 kV)Configuration
Wall mounted paralleling control system that monitors and controls a single generator and a single utility.Modes of Operation
Utility Import, Export, and base load operations, Peak shaving, and Emergency Standby. Closed Transition to/from Generator PowerApplication
LV and MV (208V-32kV)Configuration
Remote modular paralleling control system (Master Control Panel for the first 2 generator sets and optional tie breaker, separate add-on control panels for up to 8 additional generator sets, utility paralleling control, and distribution control)Modes of Operation
Emergency Standby with redundant master control, Utility paralleling, peak shaving, and closed transition to/from Generator Power (with optional utility control panel)Application
LV and MV (208V-27kV)ATS ATC Breaker / Contactor
ATS ATC Breaker / Contactor
The ATC line of Automatic Transfer Switches are available in breaker or contactor based switches in sizes ranging from 30A through 5000A.
Rating Range
100 to 1200ATransfer Type
Bypass IsolationSwitch Type
Contactor BasedRating Range
40-1600ATransfer Type
Open / Closed TransitionSwitch Type
Contactor BasedRating Range
30-1000ATransfer Type
Open transitionSwitch Type
Molded CaseRating Range
200 to 5000ATransfer Type
Open TransitionSwitch Type
Power BreakerRating Range
200-5000ATransfer Type
Bypass isolation, Closed transitionSwitch Type
Power BreakerRating Range
30-5000ATransfer Type
Open / Closed / DelayedSwitch Type
Molded Case and Power BreakerRating Range
120 to 600V, single phase and three phase @ 50/60 HzTransfer Type
Switch application dependentSwitch Type
Switch application dependentRating Range
120 to 600V, single phase and three phase @ 50/60 HzTransfer Type
Switch application dependentSwitch Type
Switch application dependentATS MX Contactor
ATS MX Contactor
The MX line of Automatic Transfer Switches are contactor based switches in sizes ranging from 30A through 5000A.
Rating Range
40-4000ATransfer Type
Open / Closed / 4 position switchSwitch Type
Contactor BasedRating Range
40-3000ATransfer Type
Open transitionSwitch Type
Contactor basedRating Range
40-3000ATransfer Type
Open Transition with Service EntranceSwitch Type
Contactor BasedRating Range
40 to 4000ATransfer Type
Open transitionSwitch Type
Contactor BasedRating Range
40-4000ATransfer Type
Open / ManualSwitch Type
Contactor BasedRating Range
40-400ATransfer Type
Open transitionSwitch Type
Contactor BasedRating Range
Switch DependentTransfer Type
Application DependentSwitch Type
Application DependentRating Range
Switch DependentTransfer Type
Application DependentSwitch Type
Application DependentRating Range
Switch DependentTransfer Type
Application DependentSwitch Type
Application DependentSAN DIEGO - POWER
Kyle Farmer
Engine Business Manager
858.376.6821 office
760.715.9565 mobile
[email protected]
Tim Roberts
Product Support
General Manager
858.376.6820 office
858.583.8460 mobile
[email protected]
Mark Reza
Used Engine Sales Manager
858.376.6840 office
858.688.0076 mobile
[email protected]
Jeff Reid
Service Manager
858.376.6890 office
858.472.1852 mobile
[email protected]
HAWAII - POWER
Cliff Yuen
Director of Sales & Rentals
808.676.0322 office
808.349.7767 mobile
[email protected]
GUAM - POWER
Myver Hecita
Power Systems Rental & Sales Representative
671.649.4241 office
671.898.2740 mobile
[email protected]